The Hypothesis for the Origin of Eukaryotes Through Serial Endosymbiosis

question 82

Multiple Choice

The hypothesis for the origin of eukaryotes through serial endosymbiosis proposes that

• A)the ancestors of mitochondria were aerobic heterotrophic prokaryotes, while the ancestors of plastids were photosynthetic prokaryotes.
• B)mitochondria and plastids replicate in a manner similar to eukaryotes.
• C)genes in mitochondria and plastids are similar to genes of ancient eukaryotes.
• D)eukaryotes likely evolved from the fusion of small prokaryotic and small eukaryotic cells.

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